Exsiccatae

Lichenes boreali-americani, second edition of decades of North American lichens, prepared by Clara E. Cummings, Thos. A. Williams and A. B. Seymour #163
Cummings, Williams & Seymour, Lich. Bor.-Amer. [Wellesley (Massachusetts)]
Cummings, C.E.; Williams, T.A.; Seymour, A.B. [1-280]

IndExs #238641321

Bell Museum lichens
Catalog #: 24962
Williams s.n.
Rinodina sophodes var. exigua Fr.
United States, Nebraska,